https://www.wsj.com/opinion/the-coming-robot-home-invasion-82ff1218 Robots are hot. Humanoid ones were literally running amok at this month’s World Robot Conference in Beijing. Think of robots as artificial intelligence in motion. Maybe you’ve seen Elon Musk’s new Tesla humanoid robot Optimus bust a move in a YouTube dance video. A tad creepy. All I really want is for robots to fold my laundry like Rosey the Robot from “The Jetsons.” Or to watch my kids, shouting “Danger, Will Robinson!” when th...